Finding the Fourth Proportional to 201,873.92, 278,592.33 and 115,848.64
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Solution
The fourth proportional to 201,873.92, 278,592.33 and 115,848.64 is: 159,874.75
Step by Step Solution
- Step 1: Write the proportion equation
201,873.92 : 278,592.33 = 115,848.64 : x - Step 2: Convert to fraction form
201,873.92/278,592.33 = 115,848.64/x - Step 3: Cross multiply
201,873.92x = 278,592.33 × 115,848.64 - Step 4: Simplify right side
201,873.92x = 32,274,542,662.17 - Step 5: Solve for x
x = 32,274,542,662.17/201,873.92 - Step 6: Final answer
x = 159,874.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.